A woman living in the Australian gave birth to a  13.8-pound Fat as hell newborn named Chelsea Rose Mackay.The big bundle of joy was the largest baby ever born at Townsville Hospital. Born last Thursday, Chelsea is about twice the size of an average baby at almost 14 pounds and 21.6 inches long. She is almost 5-and-a-half times the size of her little newborn friend, Melinda Burns.